DoAfter Refactor (#13225)

Co-authored-by: DrSmugleaf <drsmugleaf@gmail.com>

Content.Shared/Tools/Components/ToolComponent.cs

@@ -20,4 +20,68 @@ namespace Content.Shared.Tools.Components
         [DataField("useSound")]
         public SoundSpecifier? UseSound { get; set; }
     }
+
+    /// <summary>
+    ///     Attempt event called *before* any do afters to see if the tool usage should succeed or not.
+    ///     You can change the fuel consumption by changing the Fuel property.
+    /// </summary>
+    public sealed class ToolUseAttemptEvent : CancellableEntityEventArgs
+    {
+        public float Fuel { get; set; }
+        public EntityUid User { get; }
+
+        public ToolUseAttemptEvent(float fuel, EntityUid user)
+        {
+            Fuel = fuel;
+            User = user;
+        }
+    }
+
+    /// <summary>
+    /// Event raised on the user of a tool to see if they can actually use it.
+    /// </summary>
+    [ByRefEvent]
+    public struct ToolUserAttemptUseEvent
+    {
+        public EntityUid User;
+        public EntityUid? Target;
+        public bool Cancelled = false;
+
+        public ToolUserAttemptUseEvent(EntityUid user, EntityUid? target)
+        {
+            User = user;
+            Target = target;
+        }
+    }
+
+    /// <summary>
+    ///     Attempt event called *after* any do afters to see if the tool usage should succeed or not.
+    ///     You can use this event to consume any fuel needed.
+    /// </summary>
+    public sealed class ToolUseFinishAttemptEvent : CancellableEntityEventArgs
+    {
+        public float Fuel { get; }
+        public EntityUid User { get; }
+
+        public ToolUseFinishAttemptEvent(float fuel, EntityUid user)
+        {
+            Fuel = fuel;
+        }
+    }
+
+    public sealed class ToolEventData
+    {
+        public readonly Object? Ev;
+        public readonly Object? CancelledEv;
+        public readonly float Fuel;
+        public readonly EntityUid? TargetEntity;
+
+        public ToolEventData(Object? ev, float fuel = 0f, Object? cancelledEv = null, EntityUid? targetEntity = null)
+        {
+            Ev = ev;
+            CancelledEv = cancelledEv;
+            Fuel = fuel;
+            TargetEntity = targetEntity;
+        }
+    }
 }